Description The Nylon U Groove Pulley Set is an essential component for smooth and efficient sliding mechanisms in doors, windows, and drawers. These white bearing guide rollers are designed to fit seamlessly into various hardware applications, ensuring quiet and effortless movement. Ideal for both residential and commercial use, these pulleys are great for driving machinery and enhancing the functionality of your sliding systems. Features -Color:White -Material:Nylon -Size:2.50X2.50X0.80cm/0.98X0.98X0.31in -Material durability: made from sturdy nylon, these u groove pulleys are designed to be wearresistant and durable, ensuring a long time use -Versatile application: suitable for a wide range of uses, including door and window hardware, drawer mechanisms, and various driving machinery, meeting diverse needs -Smooth operation: equipped with a set of bearing guides, these pulleys ensure smooth sliding and reduce friction, enhancing operational efficiency -Elegant design: the simple and elegant white design of these pulleys complements various decor styles, adding a touch of sophistication to your hardware -Easy installation: lightweight and portable, these pulleys are easy to install and can be quickly replaced, making them convenient for both diy enthusiasts and professionalsPackage list: 4 x pulley